MTSP

MTSP (MT Special Edition) is a Japanese 3rd party netplay client for the FM2K engine, with integrated lobby and chat.
It is built around a server system, a player hosts a room for other players to join and use as a matchmaking.

Now press Cancel. If MTSP was not already configured, it will ask you to set the path to the game's executable and bring you to the Settings window. If it does not, click Options, then Settings, and set the following settings: